Study Looks at 6,500 Americans for Two Decades; Defining a Drinking Problem

People who have a history of drinking problems by the time they are middle-aged are more than twice as likely to exhibit memory problems in later life as those who don't, according to a study that followed 6,500 Americans for two decades.

A drinking problem was defined as answering yes to at least two of four questions in a widely used screening questionnaire for alcoholism: Have you ever felt you should cut down on your drinking?...